Mike O'Brien (swimmer), Date of Birth, Place of Birth
TweetMike O'Brien (swimmer)
American swimmer, Olympic gold medalist
Date of Birth: 23-Oct-1965
Place of Birth: Skokie, Illinois, United States
Profession: swimmer
Nationality: United States
Zodiac Sign: Scorpio 
About Mike O'Brien (swimmer)
- Michael Jon "Mike" O'Brien (born October 23, 1965) is an American former competition swimmer who won the gold medal in the men's 1,500-meter freestyle event in a time of 15:05.20 at the 1984 Summer Olympics in Los Angeles, California.
Read more at Wikipedia